In a Steam Engine, Steam in a Cylinder Returns to Its

question 149

Multiple Choice

In a steam engine, steam in a cylinder returns to its original state after an expansion/compression cycle.In the expansion step, the volume of the steam increases by exactly 15 L at a constant pressure of exactly 10 atm while 7325 J of heat flows in.In the compression step, the volume of the gas decreases by exactly 15 L at a constant pressure of exactly 15 atm.Calculate the heat flow into/out of the steam in the second step.(101.3 J =1 L.atm)

• A)(-270 J)
• B)(-7598 J)
• C)(-14,920 J)
• D)(-30,660 J)
• E)(-45,310 J)

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Definitions:

Pairwise Votes

A method of voting where each candidate is matched against every other candidate in one-on-one comparisons.

Majority Determining

The process by which the greater number or majority's choice decides an outcome in a decision-making context.

Condorcet Paradox

A situation in social choice theory where collective preferences can be cyclical, even if the preferences of individual members are not, leading to a lack of transitivity in voting outcomes.

Transitive Preferences

A consistency in choice such that if an individual prefers option A to B and B to C, then they will also prefer A to C.